Adapter frame with square cut-out for devices with cover (50 x 50 mm) matt gray (painted) - With the adapter frame and cover frame (1- to 5-way), third-party devices with a square central plate (50 x 50 mm), e.g. from the companies Alcatel, AMP Econo Link System, Brand-Rex, BTR, Cellpack ITT Cannon Cat.5, Deutsche Telekom, Drahtex, Hirose, Kannegieter BICC Brand Rex, Kerpen ELine 600, Krone, Molex, Nedap, Panduit, Quante, Reichle de Massari, Rutenbeck, Schumann Netzwerktechnik, HomeWay, Siemens ICCS 100, 300 and 600, Telegärtner, Telenorma, TKM (4 x RJ45) shielded, Cat.5), etc., can be integrated into the switch program.